EP3674278A4 - Sustained-release and controlled-release fertilizer having core-shell structure and preparation method therefor - Google Patents

Sustained-release and controlled-release fertilizer having core-shell structure and preparation method therefor Download PDF

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Publication number
EP3674278A4
EP3674278A4 EP18904656.8A EP18904656A EP3674278A4 EP 3674278 A4 EP3674278 A4 EP 3674278A4 EP 18904656 A EP18904656 A EP 18904656A EP 3674278 A4 EP3674278 A4 EP 3674278A4
Authority
EP
European Patent Office
Prior art keywords
release
sustained
core
preparation
controlled
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18904656.8A
Other languages
German (de)
French (fr)
Other versions
EP3674278B1 (en
EP3674278A1 (en
Inventor
Jianmin HU
Xiaoyong Liu
Jinzhe HU
Peikun WAN
Yuntao BAI
Shumin Hu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Gaofu Fertilizer Co Ltd
Original Assignee
Zhengzhou Gaofu Fertilizer Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Gaofu Fertilizer Co Ltd filed Critical Zhengzhou Gaofu Fertilizer Co Ltd
Publication of EP3674278A1 publication Critical patent/EP3674278A1/en
Publication of EP3674278A4 publication Critical patent/EP3674278A4/en
Application granted granted Critical
Publication of EP3674278B1 publication Critical patent/EP3674278B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/90—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting the nitrification of ammonium compounds or urea in the soil
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/30—Layered or coated, e.g. dust-preventing coatings
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/30—Layered or coated, e.g. dust-preventing coatings
    • C05G5/37—Layered or coated, e.g. dust-preventing coatings layered or coated with a polymer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Soil Sciences (AREA)
  • Fertilizers (AREA)
EP18904656.8A 2018-02-09 2018-10-10 Preparation of a sustained-release and controlled-release fertilizer having core-shell structure Active EP3674278B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810132053.7A CN108456121A (en) 2018-02-09 2018-02-09 A kind of nucleocapsid slow-release or control-release fertilizer and preparation method thereof
PCT/CN2018/109651 WO2019153775A1 (en) 2018-02-09 2018-10-10 Sustained-release and controlled-release fertilizer having core-shell structure and preparation method therefor

Publications (3)

Publication Number Publication Date
EP3674278A1 EP3674278A1 (en) 2020-07-01
EP3674278A4 true EP3674278A4 (en) 2021-06-30
EP3674278B1 EP3674278B1 (en) 2024-04-24

Family

ID=63240019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18904656.8A Active EP3674278B1 (en) 2018-02-09 2018-10-10 Preparation of a sustained-release and controlled-release fertilizer having core-shell structure

Country Status (3)

Country Link
EP (1) EP3674278B1 (en)
CN (1) CN108456121A (en)
WO (1) WO2019153775A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108129210A (en) * 2018-02-09 2018-06-08 郑州高富肥料有限公司 A kind of multilayer capsule structure sustained-controll-release fertiliser and preparation method thereof
CN108456121A (en) * 2018-02-09 2018-08-28 郑州高富肥料有限公司 A kind of nucleocapsid slow-release or control-release fertilizer and preparation method thereof
CN110959485A (en) * 2019-10-22 2020-04-07 湖南金源种业有限公司 Multi-point rice breeding contrast test method
CN111454107B (en) * 2020-03-02 2022-04-26 中化农业（临沂）研发中心有限公司 Coated urea containing humic acid and preparation method and application thereof
CA3172296A1 (en) * 2020-03-20 2021-09-23 Curtis James MACDONALD Fertilizer compositions having slow-release nitrogen compounds and methods of forming thereof
CN112119850A (en) * 2020-11-03 2020-12-25 扬州大学 Planting method for direct-seeding rice nitrogen-saving one-time fertilization
CN113999074B (en) * 2021-12-07 2022-09-13 中化农业（临沂）研发中心有限公司 High-strength compound fertilizer and preparation method thereof
CN115259949A (en) * 2022-08-16 2022-11-01 四川飘绿植物保护有限公司 Water-soluble fertilizer compressed into block and preparation process thereof
CN115251050A (en) * 2022-09-01 2022-11-01 山东万豪肥业有限公司 Preparation method of coated degradable slow-release pesticide granules
CN115448794A (en) * 2022-09-20 2022-12-09 安徽司尔特化肥科技有限公司 Preparation and coating method of controlled-release fertilizer coating material
CN116640020B (en) * 2023-05-31 2024-05-17 施可丰化工股份有限公司 Urea formaldehyde sustained and controlled release fertilizer and preparation method thereof
CN117623825B (en) * 2023-12-13 2024-05-10 史丹利农业集团股份有限公司 Preparation method and application of stable fertilizer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6432156B1 (en) * 1999-11-17 2002-08-13 The Homestead Corp. Method of coating materials and materials formed thereby
US20040023809A1 (en) * 2002-03-26 2004-02-05 Georgia-Pacific Resins, Inc. Slow release nitrogen coating
US20160075609A1 (en) * 2012-08-15 2016-03-17 Koch Agronomic Services, Llc Compositions of urea formaldehyde particles and methods of making thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010086703A (en) * 2000-03-02 2001-09-15 임준영 Process for preparing effects-controlled fertilizer and the product therefrom
CN101195552A (en) * 2007-06-06 2008-06-11 刘志刚 Cementation granulation technique for urea-based compound fertilizer
CN104761324A (en) * 2014-01-02 2015-07-08 郑州高富肥料有限公司 Production method of novel ureaformaldehyde slow-release nitrogen fertilizer and composite fertilizers of novel ureaformaldehyde slow-release nitrogen fertilizer
CN104926444A (en) * 2015-06-05 2015-09-23 宁夏共享生物化工有限公司 Method for preparing slow/controlled release fertilizer by use of modified urea resin coating material
CN106565361A (en) * 2015-10-08 2017-04-19 王兆博 Process for producing general-purpose double-effect scientific fertilizer
CN105330494A (en) * 2015-11-13 2016-02-17 深圳市芭田生态工程股份有限公司 Sulphur coated urea capable of preventing coating layer from breaking and preparation method thereof
CN107056339B (en) * 2016-12-26 2021-02-12 中化农业（临沂）研发中心有限公司 Method for producing urea formaldehyde slow-release compound fertilizer by directly granulating through low-temperature concentrated solution method
CN107382489A (en) * 2017-08-03 2017-11-24 刘国备 A kind of Lauxite starch bilayer coated slow-release compound fertilizer and preparation method thereof
CN107586223A (en) * 2017-09-08 2018-01-16 河南鄂中肥业有限公司 A kind of high-tower granulation biological compound fertilizer with prevention and control pest and disease damage function and preparation method thereof
CN108456121A (en) * 2018-02-09 2018-08-28 郑州高富肥料有限公司 A kind of nucleocapsid slow-release or control-release fertilizer and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6432156B1 (en) * 1999-11-17 2002-08-13 The Homestead Corp. Method of coating materials and materials formed thereby
US20040023809A1 (en) * 2002-03-26 2004-02-05 Georgia-Pacific Resins, Inc. Slow release nitrogen coating
US20160075609A1 (en) * 2012-08-15 2016-03-17 Koch Agronomic Services, Llc Compositions of urea formaldehyde particles and methods of making thereof

Also Published As

Publication number Publication date
WO2019153775A1 (en) 2019-08-15
CN108456121A (en) 2018-08-28
EP3674278B1 (en) 2024-04-24
EP3674278A1 (en) 2020-07-01

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